CVE-2020-36049

Public Exploit

Description

socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.53%
Third-Party Advisory caller.xyz Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.caller.xyz/socketio-engineio-dos/ third party advisory exploit
https://github.com/bcaller/kill-engine-io third party advisory
https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-36049?
CVE-2020-36049 has been scored as a high severity vulnerability.
How to fix CVE-2020-36049?
To fix CVE-2020-36049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36049 being actively exploited in the wild?
It is possible that CVE-2020-36049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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